The trick is to use a clocked DLL, which not only minimizes clock skews, but also offers a double-frequency output clock.
关键是为了使用时钟DLL，它不只是最小化时钟脉冲相位差，还提供双倍输出的时钟频率。
An ultrasonic double-frequency turbulent extraction equipment has been developed for extracting effective ingredients in medicinal plants.
研制了中药有效成分超声波双频湍动萃取装置。
The invention relates to the technical field of security tags, in particular to a double-frequency tag with low frequency and high frequency.
本发明涉及电子安全标签技术领域，特别是一种具有低频和高频的双频电子标签。
Objective To evaluate the efficacy and safety of double-frequency laser lithotripsy under endoscope in the treatment of refractory biliary stones.
目的探讨双频激光碎石治疗腔镜外科难取性胆管结石的疗效及安全性。
Objective To evaluate the efficacy, safety, and clinical application of double-frequency laser lithotripsy in the treatment of complicated biliary stones.
目的探讨双频激光碎石技术在治疗复杂性胆管结石中的疗效、安全性及应用价值。
In this paper, double-frequency inverter was used in induction motor drive, and the next control means were adopted: one-cycle control, hysteresis control and vector control.
将双频逆变器用于感应电动机调速系统中，采用单周控制、滞环控制、矢量控制等控制方法。
The key of this paper is the solution of the second-order double-frequency wave exciting force for a floating body sailing in waves by solving second-order diffraction potential.
本文的关键是通过求解二阶绕射速度势获得三维移动物体的二阶倍频波浪力。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
Double frequency wave distortion has been found in the experiment.
实验上观察到了倍频失真。
Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.
另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。
The edge transition of pulses from incremental encoder can be detected with double frequency to improve measurement precision, and to avoid measurement errors and accumulative errors.
汉字和图形相结合。对增量编码器的脉冲信号沿变化进行倍频检测，提高分辨精度，避免计数误差和累积误差。
This article shows how to choose the double frequency crystal in the properties of basic wave beam provided and how to choose the suitable ways of phase match.
本文提供在已知基波光束性能的情况下、如何选择合适的倍频晶体，以及相应的相位匹配方式。
Objective to evaluate the treatment effect of using the double frequency Laser 532 to treat the pathological changes of retina due to diabetes before proliferation.
目的评价倍频532半导体激光器治疗增殖前期糖尿病视网膜病变的疗效。
It is a self frequency double laser in some hosts.
选择合适的基质，可产生自倍频可见激光。
The frequency of C1001B double seedling could be improved with a particular selection method.
通过特殊的选择方式，C1001B双苗发生频率可以提高。
The double channel arbitrary wave generator based on direct digital frequency synthesis is introduced.
介绍了基于直接数字频率合成技术的双通道任意波形信号发生器。
The paper introduced a frequency measure system composed of double 8051 chips, presented the realized schemes of the hardware and software, and analyzed system 's efficiency.
本文介绍了一种由双8051芯片构成的频率测量系统，给出了其软硬件系统实现的方案，并对该系统效率进行了分析。
This paper provides both vector control and frequency difference control to modulate the system of double motors transmission.
提出一种通过矢量控制和差频控制原理控制的双电机传动系统。
When a plate is simply supported at four edges, it can be solved by double sine sery method to get each proper frequency.
当板的四边为简支时可用双正弦级数解法来求得各阶固有频率。
The principle of a frequency stabilizing unit and its power circuit for a double longitudinal mode laser are introduced.
介绍一种双纵模激光器的稳频装置原理及其电源电路。
Second , the noise of double balanced mixer was analyzed, which involved analysis of low frequency flicker noise and high frequency thermal noise.
接着对双平衡混频器的噪声进行理论分析，包括低频闪烁噪声和高频热噪声。
Double frequency, double amplitude.
双频率、双振幅。
The bending vibration characteristic of a nonlinear cracked rotor is then analyzed. The time frequency characteristics of a cracked rotor after entering double cycle bifurcation are introduced.
然后研究了非线性裂纹转子的弯曲振动特性，给出了进入倍周期分叉后裂纹转子的时域特性和频域特性。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
The fraction frequency and double frequency scattering peaks exhibit similar scattering behaviour as the resonance scattering.
分频散射和倍频散射峰与共振散射峰具有相似的散射行为。
In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.
本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。
This double frequency distortion can be used to double frequency of incident signal.
这种倍频失真可用于对入射信号进行倍频。
The range of double frequency is from 1 to 999. The double frequency number is selected directly by software.
该倍频器的倍频范围为1～999，倍频值可直接由软件选择；
The experimental results indicate that the signal intensity is not strong enough when using quadruple frequency laser probe. Therefore, we choose double frequency laser as the probe.
实验发现采用设计的四倍频激光探针时，探针信号强度不够，因此改用二倍频激光探针。
This paper aims at the analysis and computation of double machine power systems frequency dynamics and provides the characteristics of double machine power systems frequency dynamics.
本文首先对双机系统频率动态过程进行了理论分析，给出了双机系统频率动态过程的特点。
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